| Budget Amount *help |
¥18,590,000 (Direct Cost: ¥14,300,000、Indirect Cost: ¥4,290,000)
Fiscal Year 2010: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2009: ¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Fiscal Year 2008: ¥8,190,000 (Direct Cost: ¥6,300,000、Indirect Cost: ¥1,890,000)
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| Research Abstract |
We tried to implement high-temperature-superconductor (HTS) circuits on Nb single flux quantum (SFQ) integrated circuits (ICs) with a block implementation technique for a digital RF receiver having wider band widths and higher sensitivity. The key component is an analog-to-digital converter (ADC) in such a receiver. In this study, we demonstrated 120-GHz operation of a modulator, the front-end part of an ADC, based on an HTS circuit. We also successfully demonstrated decimation filters and ADCs based on the SFQ ICs under a cryocooler. We have already finished development of a block implementation technique.
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